/*
 * JuiceFS, Copyright 2020 Juicedata, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package chunk

import (
	"os"
	"syscall"
	"time"
)

func getAtime(fi os.FileInfo) time.Time {
	if sst, ok := fi.Sys().(*syscall.Stat_t); ok {
		return time.Unix(sst.Atimespec.Unix())
	} else {
		return fi.ModTime()
	}
}

func dropOSCache(r ReadCloser) {}
